Amount of substance

3.1.2 (3.1.2.1, 3.1.2.2, 3.1.2.3, 3.1.2.4, 3.1.2.5)

concentration =

moles / volume

moles =

mass / mr

What is relative atomic mass?

the weighted average mass of an atom of an element, compared to 1/12 of carbon-12

What is the charge of a carbonate (CO3) ion?

2-

What is the charge of a chloride ion?

-

What is the charge of a nitrate (NO3) ion?

-

what is the charge of a sulfate (SO4) ion?

2-

What is the empirical formula?

the smallest whole number ratio of atoms in a molecule

What is the ideal gas equation?

pV=nRT

What unit is moles (n) in?

mol

What unit is pressure (p) in?

pascals (Pa)

What unit is temperature (T) in?

kelvin (K)

What unit is volume (V) in?

decimetres cubed (dm3)